package com.day08;
import java.util.Scanner;
public class StringTeat03 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String line=sc.nextLine();
        int bigCount=0;
        int smallCount=0;
        int numberCount=0;
        for(int i=0;i<line.length();i++){
            char ch=line.charAt(i);
            if(ch>='A'&&ch<='Z'){
                bigCount++;
            }else if(ch>='a'&&ch<='z'){
                smallCount++;
            }else if(ch>='0'&&ch<='9'){
                numberCount++;
            }
        }
        System.out.println("大写字母有"+bigCount+"个");
        System.out.println("小写字母有"+smallCount+"个");
        System.out.println("数字有"+numberCount+"个");
    }
}
